Bump json-ld-preloaded from 3.1.5 to 3.1.6 (#16522)

Bumps [json-ld-preloaded](https://github.com/ruby-rdf/json-ld-preloaded) from 3.1.5 to 3.1.6.
- [Release notes](https://github.com/ruby-rdf/json-ld-preloaded/releases)
- [Commits](https://github.com/ruby-rdf/json-ld-preloaded/compare/3.1.5...3.1.6

)

---
updated-dependencies:
- dependency-name: json-ld-preloaded
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile.lock

@@ -301,7 +301,7 @@ GEM
       multi_json (~> 1.14)
       rack (~> 2.0)
       rdf (~> 3.1)
-    json-ld-preloaded (3.1.5)
+    json-ld-preloaded (3.1.6)
       json-ld (~> 3.1)
       rdf (~> 3.1)
     jsonapi-renderer (0.2.2)
@@ -480,7 +480,7 @@ GEM
       thor (~> 1.0)
     rainbow (3.0.0)
     rake (13.0.3)
-    rdf (3.1.13)
+    rdf (3.1.15)
       hamster (~> 3.0)
       link_header (~> 0.0, >= 0.0.8)
     rdf-normalize (0.4.0)